Overview
The SPC5744PFK1AMLQ9, part of the MPC574xP family, is a 32-bit microcontroller (MCU) developed by NXP USA Inc. This MCU is designed to meet the highest functional safety standards, particularly for automotive and industrial safety applications. It is part of NXP's SafeAssure program, which simplifies system-level safety requirements in accordance with ISO 26262. The MCU features a dual-core architecture with two e200z4 cores in delayed lockstep, ensuring high reliability and safety in critical systems.
Key Specifications
| Specification | Details |
|---|---|
| CPU | 2 x e200z4 in delayed lockstep |
| Architecture | Harvard |
| Execution Speed | 0 MHz to 200 MHz (+2% FM) |
| Embedded FPU | Yes |
| Flash Memory | 2.5 MB (for MPC5744P) |
| SRAM | 384 KB (for MPC5744P) |
| Analog-to-Digital Converter (ADC) | 4 modules with 12-bit ADC, each with 16 channels |
| Sine-wave Generator (SGEN) | Yes |
| SPI | 4 modules with up to 8 chip selects |
| CRC Unit | Yes |
| SENT | 2 modules with 2 channels |
| Interprocessor Serial Link Interface (SIPI) | Yes |
| Junction Temperature Sensor | Yes (replicated module) |
| Digital I/Os | ≥ 16 |
| Peripheral Register Protection | Yes |
| Ethernet | Yes |
| Error Injection Module (EIM) | Yes |
| Power Supply | 3.3 V with external ballast transistor or 1.25 V low drop-out (LDO) regulator |
| Temperature Range (Junction) | -40°C to +150°C, option for +165°C |
| Package | LQFP 144 pins, 0.5 mm pitch; MAPBGA 257, 0.8 mm pitch |
Key Features
- Dual-Core Architecture: Features two e200z4 cores in delayed lockstep, enhancing reliability and safety.
- Functional Safety Compliance: Meets ISO 26262 ASIL-D standards for chassis and safety applications.
- High Performance: Execution speed up to 200 MHz (+2% FM) with an embedded Floating Point Unit (FPU).
- Advanced Peripherals: Includes multiple ADC modules, sine-wave generator, SPI modules, CRC unit, SENT modules, and interprocessor serial link interface.
- Low Power Modes: Supports HALT and STOP modes for power efficiency.
- Debugging Capabilities: Nexus Level 3+, MDO, and Aurora interface for comprehensive debugging.
- Temperature Range: Operates over a wide temperature range, including junction temperatures up to 165°C.
Applications
The SPC5744PFK1AMLQ9 is primarily designed for automotive and industrial safety applications, including:
- Chassis Control Systems: Braking systems, steering systems, and other critical chassis functions.
- Safety Systems: Airbag control, anti-lock braking systems (ABS), and electronic stability control (ESC).
- Industrial Safety Applications: Control systems in industrial environments requiring high safety integrity levels.
Q & A
- What is the primary application of the SPC5744PFK1AMLQ9 MCU?
The primary application is for automotive and industrial safety applications, particularly those requiring high functional safety standards. - What is the architecture of the SPC5744PFK1AMLQ9 MCU?
The MCU features a dual-core architecture with two e200z4 cores in delayed lockstep. - What is the maximum execution speed of the SPC5744PFK1AMLQ9 MCU?
The maximum execution speed is up to 200 MHz (+2% FM). - Does the SPC5744PFK1AMLQ9 MCU support ISO 26262 ASIL-D?
Yes, it meets the ISO 26262 ASIL-D standards for chassis and safety applications. - What types of peripherals are included in the SPC5744PFK1AMLQ9 MCU?
The MCU includes multiple ADC modules, sine-wave generator, SPI modules, CRC unit, SENT modules, and interprocessor serial link interface. - What are the power supply options for the SPC5744PFK1AMLQ9 MCU?
The MCU can be powered by 3.3 V with an external ballast transistor or a 1.25 V low drop-out (LDO) regulator. - What is the temperature range of the SPC5744PFK1AMLQ9 MCU?
The MCU operates over a temperature range of -40°C to +150°C, with an option for +165°C junction temperature. - What debugging interfaces are available on the SPC5744PFK1AMLQ9 MCU?
The MCU supports Nexus Level 3+, MDO, and Aurora interface for debugging. - What are the package options for the SPC5744PFK1AMLQ9 MCU?
The MCU is available in LQFP 144 pins and MAPBGA 257 packages. - Does the SPC5744PFK1AMLQ9 MCU support low power modes?
Yes, it supports HALT and STOP modes for power efficiency.
